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《Chinese Journal of Rare Metals》 2009-01
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Investigation of the Phase Structure of Sm_2Fe_(17) Compound by Differential Thermal/Thermogravimetric Analyzer

Hao Yanming1*,An Liqun1,Tan Ming2,Tan Qinghua2,Wang Lingling2,Yan Dali2(1.College of Science,Tianjin University of Science & Technology,Tianjin 300222,China;2.Department of Physics,Tianjin Normal University,Tianjin 300387,China)  
The structure and magnetic properties of Sm2Fe17 compound and its nitrides were investigated by means of differential thermal/thermogravimetric analysis.The result shows that the Curie temperature of Sm2Fe17Nx nitrides was improved obviously.The analysis shows that the increase of the Curie temperature was caused by interstitial N-atoms be incorporated into 3d-sublattice.At higher temperature than 700 K,the nitrogenized reaction of Sm2Fe17 became violent,in the meantime,the decomposed reaction of Sm2Fe17Nx took place and resultsed in SmN compounds and α-Fe.The Sm2Fe17 or Sm2Fe17Nx exhibited only single-phases of Th2Zn17 below 1473 K.
【Fund】: 国家自然科学基金(50871074);; 天津科技大学博士基金(0200153)资助项目
【CateGory Index】: TG146.45
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【Co-references】
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1 YE Guang,WANG Jianchao,ZHAI Bo,WANG Shuhai(Department of Chemistry,Qinghai Normal University,Xining 810008,Qinghai);Preparation and Properties of Electroless Plating of La-Co-P Thin Films[J];四川师范大学学报(自然科学版);2013-04
2 ZHANG Yong,LIU Li-hua,SUN Ya-ming,DONG Li-rong,YU Wang-qiu(College of Physics,Jilin Normal University,Siping 136000,China);Influence of Annealing Temperature on the Structure and Magnetic Properties of Ti_(0.975)Co_(0.025)O_2 Films[J];吉林师范大学学报(自然科学版);2012-04
3 Luo Jun,Liang Jingkui,Rao Guanghui(Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China);Formation,Crystal Structure and Magnetic Properties of Rare-Earth Transition-Metal Intermetallic Compounds[J];中国稀土学报;2012-04
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1 Wang Shujun;Lu Yihu;Liu Xincai;Pan Jing;Wang Yan;Zhang Yong;Faculty of Materials Science&Chemical Engineering,Ningbo University,Ningbo State Key Laboratory Base of New Functional Materials and Preparation Science;;Comparative Studies on Curie Temperature of (Nd,Pr)_(12.8)Dy_(0.2)Fe_(77.4)Co_4B_(5.6) Ingot Measured Respectively by PPMS and DSC[J];中国稀土学报;2014-05
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